An issue was discovered in the Linux kernel before 4.20. There is a race condition in smp_task_timedout() and smp_task_done() in drivers/scsi/libsas/sas_expander.c, leading to a use-after-free.
4.13.0-16.194.13.0-17.204.13.0-25.294.13.0-32.354.15.0-10.114.15.0-12.134.15.0-13.144.15.0-15.164.15.0-19.204.15.0-20.21+13 more4.15.0-44.475.3.0-18.195.3.0-24.265.4.0-9.125.13.0-19.193.11.0-12.193.12.0-1.33.12.0-2.53.12.0-2.73.12.0-3.83.12.0-3.93.12.0-4.103.12.0-4.123.12.0-5.133.12.0-7.15+170 more4.2.0-16.194.2.0-17.214.2.0-19.234.3.0-1.104.3.0-2.114.3.0-5.164.3.0-6.174.3.0-7.184.4.0-10.254.4.0-101.124+84 more4.4.0-157.1856.8.0-31.316.5.0-9.96.11.0-8.86.5.0-1008.85.3.0-1003.35.3.0-1008.95.3.0-1009.105.3.0-1010.115.4.0-1005.5Exploitability
AV:NAC:HPR:NUI:NScope
S:UImpact
C:HI:HA:HCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H